750W Motor Speed Controller Three-phase Output Single-phase Input Motor Driver Frequency Converter 4-digits Digital Tube Display                                   Specifications:       & 9679; Name: Three-phase inverter speed controller & 9679; Material:ABS & 9679; Voltage input:AC220V±20% & 9679; Output frequency: 1.0-99.0HZ (default 50HZ) & 9679; Carrier frequency:8.0KHZ & 9679; Maximum output power: 1100W & 9679; Suitable for: motors up to 750W & 9679; Volume: 17.5cm long, 12.7cm wide, 7.5cm high & 9679; Temperature: -10& 8451; to 55& 8451; & 9679; Humidity: 0-65%                  Features:       1. High torque at low frequencies 2. Single-phase 220V input, three-phase 220V output 3. Energy saving protection/overheating protection/over-voltage protection                  Caution:       1. When the fault code is displayed as E-0.2, the following points need to be noted. a. The load is too heavy and the acceleration time is too short, adjust the acceleration time and replace the inverter with a higher power one. b. The rated power of the motor is too large, replace the motor with one that is compatible with the inverter. c. The parameters in -0.3-, -0.4-, -0.5-, -0.6- are not set correctly, it is recommended to restore the factory values. 2. When the motor is running, strong disturbances will be generated, at this time the manual adjustment of the frequency link However, the frequency can still be adjusted by pressing and holding the key, it is recommended to use a single key, or stop the motor to modify the frequency. 3. For precise speed adjustment it is recommended to use the keypad, the potentiometer speed adjustment may cause a small offset when the motor is running or when the mounting system vibrates. The potentiometer will produce a small offset when the motor is running or the mounting system is vibrating, which will affect the control accuracy. 4. If the ambient temperature is too high, sufficient space should be left for heat dissipation.